LON l'KARI. OYSTER KKPONT. 



SPONGES PLATE TI. 



Fig. 3. 



1, Dercitopsis ceylokica, u.sp. ; Fn I intermedia, u.sp. ; Fig. 3. Plakinastri 



hulzei, n. sp. ; Fig. 4. Pilochrota haeckeli, Sollas; Fig. . r '. Pilochrota horselli, u.sp.; 



HERDMANJ i.l.LETTA VESTIGIUM, 11. Sp. 



